Display box



FIG. 1 is a top plan view of a display box showing my new design;

FIG. 2 is a front elevation thereof;

FIG. 3 is a left side elevation thereof;

FIG. 4 is a right side elevation thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear side elevation thereof; and

FIG. 7 is a perspective view thereof, in open position.

The ornamental design for the display box, as shown and described.